1 files changed, 0 insertions, 135 deletions
diff --git a/arch/arm/cpu/armv7/u8500/timer.c b/arch/arm/cpu/armv7/u8500/timer.c
deleted file mode 100644
index 6b74e13..0000000
--- a/arch/arm/cpu/armv7/u8500/timer.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Copyright (C) 2010 Linaro Limited
- * John Rigby <john.rigby@linaro.org>
- *
- * Based on original from Linux kernel source and
- * internal ST-Ericsson U-Boot source.
- * (C) Copyright 2009 Alessandro Rubini
- * (C) Copyright 2010 ST-Ericsson
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/hardware.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/*
- * The MTU device has some interrupt control registers
- * followed by 4 timers.
- */
-
-/* The timers */
-struct u8500_mtu_timer {
-	u32 lr;			/* Load value */
-	u32 cv;			/* Current value */
-	u32 cr;			/* Control reg */
-	u32 bglr;		/* ??? */
-};
-
-/* The MTU that contains the timers */
-struct u8500_mtu {
-	u32 imsc;		/* Interrupt mask set/clear */
-	u32 ris;		/* Raw interrupt status */
-	u32 mis;		/* Masked interrupt status */
-	u32 icr;		/* Interrupt clear register */
-	struct u8500_mtu_timer pt[4];
-};
-
-/* bits for the control register */
-#define MTU_CR_ONESHOT		0x01	/* if 0 = wraps reloading from BGLR */
-#define MTU_CR_32BITS		0x02
-
-#define MTU_CR_PRESCALE_1	0x00
-#define MTU_CR_PRESCALE_16	0x04
-#define MTU_CR_PRESCALE_256	0x08
-#define MTU_CR_PRESCALE_MASK	0x0c
-
-#define MTU_CR_PERIODIC		0x40	/* if 0 = free-running */
-#define MTU_CR_ENA		0x80
-
-/*
- * The MTU is clocked at 133 MHz by default. (V1 and later)
- */
-#define TIMER_CLOCK		(133 * 1000 * 1000 / 16)
-#define COUNT_TO_USEC(x)	((x) * 16 / 133)
-#define USEC_TO_COUNT(x)	((x) * 133 / 16)
-#define TICKS_PER_HZ		(TIMER_CLOCK / CONFIG_SYS_HZ)
-#define TICKS_TO_HZ(x)		((x) / TICKS_PER_HZ)
-#define TIMER_LOAD_VAL		0xffffffff
-
-/*
- * MTU timer to use (from 0 to 3).
- */
-#define MTU_TIMER 2
-
-static struct u8500_mtu_timer *timer_base =
-	&((struct u8500_mtu *)U8500_MTU0_BASE_V1)->pt[MTU_TIMER];
-
-/* macro to read the 32 bit timer: since it decrements, we invert read value */
-#define READ_TIMER() (~readl(&timer_base->cv))
-
-/* Configure a free-running, auto-wrap counter with /16 prescaler */
-int timer_init(void)
-{
-	writel(MTU_CR_ENA | MTU_CR_PRESCALE_16 | MTU_CR_32BITS,
-	       &timer_base->cr);
-	return 0;
-}
-
-ulong get_timer_masked(void)
-{
-	/* current tick value */
-	ulong now = TICKS_TO_HZ(READ_TIMER());
-
-	if (now >= gd->arch.lastinc) {	/* normal (non rollover) */
-		gd->arch.tbl += (now - gd->arch.lastinc);
-	} else {			/* rollover */
-		gd->arch.tbl += (TICKS_TO_HZ(TIMER_LOAD_VAL) -
-					gd->arch.lastinc) + now;
-	}
-	gd->arch.lastinc = now;
-	return gd->arch.tbl;
-}
-
-/* Delay x useconds */
-void __udelay(ulong usec)
-{
-	long tmo = usec * (TIMER_CLOCK / 1000) / 1000;
-	ulong now, last = READ_TIMER();
-
-	while (tmo > 0) {
-		now = READ_TIMER();
-		if (now > last)	/* normal (non rollover) */
-			tmo -= now - last;
-		else		/* rollover */
-			tmo -= TIMER_LOAD_VAL - last + now;
-		last = now;
-	}
-}
-
-ulong get_timer(ulong base)
-{
-	return get_timer_masked() - base;
-}
-
-/*
- * Emulation of Power architecture long long timebase.
- *
- * TODO: Support gd->arch.tbu for real long long timebase.
- */
-unsigned long long get_ticks(void)
-{
-	return get_timer(0);
-}
-
-/*
- * Emulation of Power architecture timebase.
- * NB: Low resolution compared to Power tbclk.
- */
-ulong get_tbclk(void)
-{
-	return CONFIG_SYS_HZ;
-}